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Emerald|Lab Grown|IGI

1.55ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG526271834

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526271834

Diamond specifications and retailer prices

From €239 EUR
$267 USD
As of October 30, 2026
Save €1,560 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,799 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG526271834 or 526271834. Listed at 12 retailers as of October 30, 2026, with prices from €239 to €1,799, a €1,560 spread on the same certified stone. Brilliant Earth lists it at €1,799. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.9°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526271834
Dimensions7.72 × 5.50 × 3.73 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.50 mm1.55 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526271834
Side View
Table 67.0%Crown 26.9°Girdle: MediumPavilion 42.8°Culet: LNGDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,799 EUR|Low: €131 EUR|High: €1,862 EUR|Avg: €618 EUR|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3€131 EUR
Retailer 10€239 EUR
Retailer 11€274 EUR
Retailer 8€317 EUR
Retailer 2€366 EUR
Retailer 9€452 EUR
Retailer 5€687 EUR
Retailer 7€749 EUR
Retailer 6€891 EUR
Retailer 4€1,046 EUR
Brilliant Earth€1,799 EUR

21 data points across 11 retailers

12 retailers€239 EUR to €1,799 EUR

A
Cheapest Retailer
-
€239 EUR
$267 USD
B
Retailer 2
-
€274 EUR
$306 USD
View
B+
Retailer 3
-
€317 EUR
$354 USD
View
B+
Retailer 4
-
€366 EUR
View
B+
Retailer 5
-
€452 EUR
$505 USD
View
Retailer 6
-
€687 EUR
$767 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
€749 EUR
$837 USD
View
B
Retailer 8
-
€782 EUR
$874 USD
View
B
Retailer 9
-
€891 EUR
$995 USD
View
B
Retailer 10
-
€1,046 EUR
£920 GBP
View
C
Retailer 11
-
€1,566 EUR
$1,750 USD
View
Most Expensive
C
Brilliant Earth
16301309A · Oct 31
€1,799 EUR
$2,010 USD
View
11 more retailers have this diamond
Prices start from €239 EURSave up to €1,560 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Emerald
€239 EUR